In English, the extended form *seuH-g- became suck. In Latin, it became sūgere "to suck", and exsūgere, pp. exsūctus "to suck out". This became Italian asciutto "dried", which combined with the prefix pre- to form presciutto "thoroughly dried up". This was altered to prosciutto.

The soma in somatic is unrelated. It's from Greek σῶμα "body" from Proto-Indo-European *teuh₂- "to swell". This root also gives us thousand, thigh, tumor,quark and butter, and of course the Soma Free Psychoplasmic Institute from the film The Brood.